Return-Path: Message-ID: <4CC6DC40.2000209@openbossa.org> Date: Tue, 26 Oct 2010 09:48:48 -0400 From: Anderson Briglia MIME-Version: 1.0 To: Ville Tervo CC: "linux-bluetooth@vger.kernel.org" Subject: Re: [RFC] SMP initial draft References: <1287791820-22693-1-git-send-email-anderson.briglia@openbossa.org> <20101026093808.GE15050@null> In-Reply-To: <20101026093808.GE15050@null> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-bluetooth-owner@vger.kernel.org List-ID: On 10/26/2010 05:38 AM, Ville Tervo wrote: > Hi, > > On Sat, Oct 23, 2010 at 01:56:54AM +0200, ext Anderson Briglia wrote: > >> This RFC is about Security Manager Protocol (SMP). >> Basically this patchset implements the initial negotiation over L2CAP and LE >> connections between a Master and a Slave. TK and STK keys are not being generated >> and/or exchanged yet, do not expect real encryption/decryption by now. >> Actually, our next tasks are related to integrate current implementation and >> Criptographic Toolbox ah, c1 and s1 functions for TK and STK key generation for >> Just Works SMP pairing method. >> > I think some kind of mechanism to start encryption on already existing > connection is needed. It depends on attribute if security is needed or not. One > might read unsecure attributes and then needs to start encryption because it > wants to read encrypted attribute. > > Is that already planned somehow? > Not yet. After we get the SMP keys generation and exchange working we could start working on it. > >> To test this RFC you need to have the Ville Tervo[1] kernel tree with LE connection >> patches. Of course you need LE devices and bluez git tree (master branch). Just run >> the bluetoothd and try to list the primary services using gatttool over an LE channel. >> eg.: gatttool --primary --le -i hci0 -b 00:17:E7:DD:08:FF >> > I guess I should take patches which are fixing plain LE (2/6) and (5/6) > connection to my tree alread. How it sounds to you? > I think this is ok. Just update your kernel tree and we could make a rebase here and separate the "pure" SMP patches on top of your patches. > >> Comments are welcome. >> >> [1] git://git.kernel.org/pub/scm/linux/kernel/git/vtervo/bluetooth-le-2.6.git >> >> [PATCH 1/6] Bluetooth: Add SMP command structures >> [PATCH 2/6] Bluetooth: fix receiving L2CAP packets over LE >> [PATCH 3/6] Bluetooth: Implement the first SMP commands >> [PATCH 4/6] Bluetooth: Start SMP procedure >> [PATCH 5/6] Bluetooth: Fix initiated LE connections >> [PATCH 6/6] Bluetooth: simple SMP pairing negotiation >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >>